// /*
//  * Copyright (c) 2022 Huawei Device Co., Ltd.
//  * Licensed under the Apache License, Version 2.0 (the "License");
//  * you may not use this file except in compliance with the License.
//  * You may obtain a copy of the License at
//  *
//  *     http://www.apache.org/licenses/LICENSE-2.0
//  *
//  * Unless required by applicable law or agreed to in writing, software
//  * distributed under the License is distributed on an "AS IS" BASIS,
//  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  * See the License for the specific language governing permissions and
//  * limitations under the License.
//  */
//
// // Award name array
// let prizesArr = ["啤酒", "奶茶", "汉堡", "咖啡", "西瓜", "鸡腿", "柠檬", "蛋糕"];
// // Image array
// let arrBigImg = ["./img/1-beer.png", "./img/2-milk.png", "./img/3-hamburg.png",
//   "./img/4-coffee.png", "./img/5-watermelon.png", "./img/6-drumstick.png",
//   "./img/7-lemon.png", "./img/8-cake.png", "./img/9-prizes.png"];
//
// // Get All Award Cells
// let allPrizesLi = document.querySelectorAll('.prizes-li');
// // Get Pictures
// let prizesImg = document.querySelectorAll('.pic');
//
// // Initial value of rotation
// let count = 0;
// let isClick = true;
// let index = 3;
// // Turn to which position
// let prizesPosition = 0;
//
// // Bind an IMG
// for (let j = 0;j < prizesImg.length; j++) {
//   prizesImg[j].src = arrBigImg[j];
// }
// // Rotation speed. The larger the value, the slower the speed
// let speed = 500;
//
// // rotation function
// function roll() {
//   // velocity decay
//   speed -= 50;
//   if (speed <= 10) {
//     speed = 10;
//   }
//
//   // Remove all active class names for each call
//   for (let j = 0; j < allPrizesLi.length; j++) {
//     allPrizesLi[j].classList.remove('active');
//   }
//   prizesPosition++;
//
//   // Calculate the number of turns
//   if (prizesPosition >= allPrizesLi.length - 1) {
//     prizesPosition = 0;
//     count++;
//   }
//
//   allPrizesLi[prizesPosition].classList.add('active');
//   let initSpeed = 500;
//   let timer;
//   // Total number of revolutions at least
//   let totalCount = 5;
//
//   // Stop when the number of turns and the specified position are met
//   if (count >= totalCount && (prizesPosition + 1) === index) {
//     clearTimeout(timer);
//     isClick = true;
//     speed = initSpeed;
//     // Wait for 1s to open the pop-up window
//     timer = setTimeout(openDialog, 1000);
//   } else {
//     // Wait for 1s to open the pop-up window
//     timer = setTimeout(roll, speed);
//     // Last lap deceleration
//     if (count >= totalCount - 1 || speed <= 50) {
//       speed += 100;
//     }
//   }
// }
//
// // Draw Start Function
// function startDraw() {
//   // Prevent multiple triggering of the lottery
//   if (isClick) {
//     count = 0;
//     // Randomly generate the winning position
//     index = Math.floor(Math.random() * prizesArr.length + 1);
//     roll();
//     isClick = false;
//   }
// }
//
// function openDialog() {
//   confirm(prizesArr[prizesPosition]);
// }